PHP實現股票趨勢圖和柱形圖

2024-05-04 23:30:59

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這篇文章主要介紹了PHP實現股票趨勢圖和柱形圖,本文效果基于pchart類庫實現,給出實現代碼和效果圖,需要的朋友可以參考下

基于強大的pchart類庫。

<?php

/*

* 股票趨勢圖和柱形圖

* @author: Skiychan <developer@zzzzy.com>

* @created: 02/05/2015

*/

include "libs/pData.class.php";

include "libs/pDraw.class.php";

include "libs/pImage.class.php";

include "database.php";

include "libs/convert.php";

date_default_timezone_set('Asia/Shanghai');

/*

* @param type line/other 趨勢圖/柱形圖默認趨勢圖

* @param txt 1/other 顯示/不顯示提示文字默認不顯示

* @param lang hk/cn 繁體中文/簡體中文默認繁體

* @param id int 股票編號必填

* @param min int 最小時間默認無

* @param max int 最大時間默認無

*/

$type = isset($_GET['type']) ? $_GET['type'] : 'line';

$showtxt = (isset($_GET['txt']) && ($_GET['txt'] == 1)) ? true : false;

//設置語言

if (isset($_GET['lang'])) {

$lang = $_GET['lang'] == 'cn' ? 'cn' : 'hk';

} else {

$lang = 'hk';

}

$desc_tip = array(

'hk' => array(

'line' => array("昨日收盤價", "股價"),

'bar' => "總成交量："

),

'cn' => array(

'line' => array("昨日收盤價", "股價"),

'bar' => "總成交量："

)

);

$id = isset($_GET['id']) ? (int)$_GET['id'] : 1; //股票編碼

//條件

$wheres = "where stock_no = ".$id;

//最小時間

if (isset($_GET['min'])) {

$wheres .= " and `created` >= ".(int)$_GET['min'];

}

//最大時間

if (isset($_GET['max'])) {

$wheres .= " and `created` <= ".(int)$_GET['max'];

}

$wheres .= " order by created";

$sth = $dbh->prepare("SELECT * FROM $tb_name " . $wheres);

$sth->execute();

$results = $sth->fetchAll(PDO::FETCH_ASSOC);

if ($lang == 'hk') {

$ttf_path = "fonts/zh_hk.ttc";

} else {

$ttf_path = "fonts/zh_cn.ttf";

}

//初始化

$line2 = array(); //股價

$bar = array(); //成交量

$times = array(); //時間

foreach ($results as $keys => $values) :

$line2[] = $values['current_price'];

$bar[] = $values['volume'];

//只顯示整點的標簽

if ($keys % 4 == 0) {

$times[] = $values['created'];

} else {

$times[] = VOID;

}

endforeach;

$l2counts = count($line2);

$myData = new pData();

//如果是線型圖

if ($type == "line") {

//取股票名稱

$stock_sth = $dbh->prepare("SELECT `name` FROM `tbl_stock` WHERE `code` = {$id}");

$stock_sth->execute();

$stock_info = $stock_sth->fetch(PDO::FETCH_ASSOC);

$func_name = "zhconversion_".$lang;

//$stock_name = $func_name($stock_info['name']);

$stock_name = "某某公司";

//取出最值

$sql = "SELECT MIN(`current_price`) xiao, MAX(`current_price`) da FROM $tb_name $wheres";

foreach ($dbh->query($sql, PDO::FETCH_ASSOC) as $row) {

$bottom = (int)$row['xiao'] - 2;

$top = (int)$row['da'] + 2;

}

//昨日收盤價

$l1s = array();

for ($i = 1; $i <= $l2counts; $i++) {

$l1s[] = 130;

}

$myData->addPoints($l1s, "Line1");

$myData->addPoints($line2, "Line2");

$myData->setPalette("Line1",array("R"=>51,"G"=>114,"B"=>178));

$myData->setPalette("Line2",array("R"=>0,"G"=>255,"B"=>0));

$myData->setAxisPosition(0, AXIS_POSITION_RIGHT);

$myData->addPoints($times, "Times");

$myData->setSerieDescription("Times","Time");

$myData->setAbscissa("Times");

$myData->setXAxisDisplay(AXIS_FORMAT_TIME,"H:i");

$myPicture = new pImage(480, 300, $myData);

//設置默認字體

$myPicture->setFontProperties(array("FontName" => "fonts/en_us.ttf", "FontSize" => 6));

//背景顏色

//$Settings = array("StartR"=>219, "StartG"=>231, "StartB"=>139, "EndR"=>1, "EndG"=>138, "EndB"=>68, "Alpha"=>50);

//$myPicture->drawGradientArea(0,0,480,300,DIRECTION_VERTICAL,$Settings);

//畫格子和標簽

$myPicture->setGraphArea(10, 40, 440, 260);

$AxisBoundaries = array(0 => array("Min" => $bottom, "Max" => $top));

$Settings = array(

"Mode" => SCALE_MODE_MANUAL,

"GridR" => 200,

"GridG" => 200,

"GridB" => 200,

"XMargin" => 0,

"YMargin" => 0,

//"DrawXLines" => false,

"GridTicks" => 3, //格子密度

"ManualScale" => $AxisBoundaries,

);

$myPicture->drawScale($Settings);

//畫線

/*

$line_arr = array(

"ForceColor" => TRUE,

"ForceR" => 0,

"ForceG" => 0,

"ForceB" => 255);

$myPicture->drawLineChart($line_arr); */

$myPicture->drawLineChart();

//設置Line1為無效,再畫底色

$myData->setSerieDrawable("Line1",FALSE);

//畫區域底線

$area_arr = array(

"ForceTransparency"=>15, //透明度

);

$myPicture->drawAreaChart($area_arr);

//是否顯示文字

if ($showtxt) {

//標題

$myPicture->drawText(200,30,$stock_name,array("FontName"=>$ttf_path, "FontSize"=>11,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE));

//設置Line1為有效

$myData->setSerieDrawable("Line1",TRUE);

$myData->setSerieDescription("Line1",$desc_tip[$lang]['line'][0]);

$myData->setSerieDescription("Line2",$desc_tip[$lang]['line'][1]);

$myPicture->setFontProperties(array("FontName" => $ttf_path,"FontSize"=>8));

$tips = array(

"Style"=>LEGEND_NOBORDER,

"Mode"=>LEGEND_HORIZONTAL,

"FontR"=>0,"FontG"=>0,"FontB"=>0,

);

$myPicture->drawLegend(20,26,$tips);

}

//柱形圖

} else {

$myData->addPoints($bar, "Bar");

$myData->setPalette("Bar",array("R"=>51,"G"=>114,"B"=>178)); //設置柱子的顏色

$myData->addPoints($times, "Times");

$myData->setSerieDescription("Times","Time");

$myData->setAbscissa("Times");

$myData->setXAxisDisplay(AXIS_FORMAT_TIME,"H:i");

$myPicture = new pImage(480, 200, $myData);

//設置默認字體

$myPicture->setFontProperties(array("FontName" => "fonts/en_us.ttf", "FontSize"=>6));

$myPicture->Antialias = FALSE;

$myPicture->setGraphArea(50,20,450,180);

//網格及坐標

$scaleSettings = array(

"Mode" => SCALE_MODE_START0,

"GridR"=>200,

"GridG"=>200,

"GridB"=>200);

$myPicture->drawScale($scaleSettings);

/*

$Palette = array();

for ($i = 0; $i <= $l2counts; $i++) {

$Palette[$i] = array("R"=>74,"G"=>114,"B"=>178,"Alpha"=>100);

}

//$Palette = array("0"=>array("R"=>74,"G"=>114,"B"=>178,"Alpha"=>100));

/* 覆蓋畫板色

$barSetting = array(

"OverrideColors"=>$Palette,

);

$myPicture->drawBarChart($barSetting);

*/

$myPicture->drawBarChart();

//是否顯示文字

if ($showtxt) {

$tips = array(

"Style"=>LEGEND_NOBORDER,

"Mode"=>LEGEND_HORIZONTAL,

"FontR"=>0,"FontG"=>0,"FontB"=>0,

);

$myPicture->setFontProperties(array("FontName" => $ttf_path,"FontSize"=>9));

$alls = 0; //總成交量初始化

foreach ($bar as $value) {

$alls += $value;

}

$myData->setSerieDescription("Bar", $desc_tip[$lang]['bar'].$alls);

$myPicture->drawLegend(300,9,$tips);

}

}

$myPicture->stroke();

//$myPicture->autoOutput("image.png");

//保存日志

//file_put_contents("log.txt", json_encode($myData) . "/n");

?>